powerpc/powernv: Reduce panic timeout from 180s to 10s

We've already dropped the default pseries timeout to 10s, do
the same for powernv.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 678573c..d9b88fa 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -41,6 +41,8 @@
 
 static void __init pnv_setup_arch(void)
 {
+	set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT);
+
 	/* Initialize SMP */
 	pnv_smp_init();